Error 500 Internal Server Error

GET https://serwis.ehvac.pl/admin?crudAction=batchDelete&crudControllerFqcn=App%5CController%5CAdmin%5CGNaddressCrudController&page=30

IP
10.0.1.2
Profiled on
Token
eb9a4e
Forwarded to ErrorController (b145ec)

Serializer

Nothing was handled by the serializer.